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% Expired Patents = 12.5

Trademarks = 2

Forward Citations = 149

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5 inventors (with patents filed for the assignee):

James C Rubenacker (6 out of 6 patents)

Brian J Whelan (4 out of 10 patents)

Paul E Peterson (4 out of 5 patents)

4. Claus Pfotenhauer (4 out of 5 patents)

5. Joseph J Schwetz (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7686056 - Apparatus and method for applying strips of thermoplastic material to thermoplastic membranes (2010-03-30),

2. 7094298 - Apparatus and method for welding overlapping water-proof membranes to each other (2006-08-22),

3. 6581663 - Weld wheel assembly for disposition on a membrane welding machine (2003-06-24),

4. 6554947 - Method for attaching thermoplastic strips to thermoplastic roof membranes (2003-04-29),

5. 6533014 - Nozzle for heat welding overlapping roof membranes to each other along separated first and second paths (2003-03-18),

6. 6325126 - Nozzle for heat welding overlapping roof membranes to each other along separated first and second paths (2001-12-04),

7. 6282857 - Articulating plate assembly for retaining sheets of roofing material on a roof surface (2001-09-04),

8. D446319 - Roof membrane stress plate (2001-08-08),

Sarnafil, Inc. is a leading manufacturer of high-quality, durable roofing solutions. With a strong focus on sustainability and innovation, Sarnafil offers a wide range of products for commercial, industrial, and residential roofing applications. Their products are known for their reliability, longevity, and energy efficiency, making them a top choice for architects, contractors, and building owners worldwide.

Profile summary based on public USPTO records.